Issues list pagination

theme/templatetags/add_to_qs.py

@@ -0,0 +1,17 @@
+from copy import copy
+from django import template
+from django.utils.http import urlencode
+
+register = template.Library()
+
+
+@register.simple_tag(takes_context=True)
+def add_to_qs(context, **kwargs):
+    if 'request' not in context:
+        # "should not happen", because this tag is only assumed to be used in RequestContext templates, but it's not
+        # something I want to break for. Also: we have an answer that "mostly works" for that case, so let's do that.
+        return urlencode(kwargs)
+
+    query = copy(context['request'].GET.dict())
+    query.update(kwargs)
+    return urlencode(query)